/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the Qt Charts module of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:GPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3 or (at your option) any later version ** approved by the KDE Free Qt Foundation. The licenses are as published by ** the Free Software Foundation and appearing in the file LICENSE.GPL3 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef MODEL_H #define MODEL_H #include #include #include #include #include typedef QPair Data; typedef QList DataList; typedef QList DataTable; class Model { private: Model() {} public: static DataTable generateRandomData(int listCount, int valueMax, int valueCount) { DataTable dataTable; // set seed for random stuff qsrand(QTime(0, 0, 0).secsTo(QTime::currentTime())); // generate random data for (int i(0); i < listCount; i++) { DataList dataList; qreal yValue(0.1); for (int j(0); j < valueCount; j++) { yValue = yValue + (qreal)(qrand() % valueMax) / (qreal) valueCount; QPointF value( (j + (qreal) qrand() / (qreal) RAND_MAX) * ((qreal) valueMax / (qreal) valueCount), yValue); QString label = "Slice " + QString::number(i) + ":" + QString::number(j); dataList << Data(value, label); } dataTable << dataList; } return dataTable; } }; #endif